Answers
Answer:The found angle D is:
D = 51.7°
Step-by-step explanation:
Related Questions
Given P(A and B)= 0.09, P(B)= 0.25. FIND P(A given B)
A:0.34
B:0.29
C:0.02
D:0.36
Answers
Answer:
the answer would be C
Step-by-step explanation:
PLEASE HELP...
Find the area of the composite shape. Show your work for BRAINLIST and if it’s correct
Answers
Answer:
4+
5+4+2
+2+4+9+3
+3.5+3.5
=99cm
Sorry if i'm wrong, the shape is a bit trippy tbh lol
For this question, you can split up the composite shape into 4 different shapes to find the area more easily:
x3 triangle
x1 square/rectangle
First find the area of the triangles (whilst using pythagorus to find the length of the sides).
Square/rectangle area: 8cm^2
4 x 2 = 8
Upper triangle area: 6cm^2
root5^2 - 4^2 = 3
(3x4)/2 = 6
For the rest of the shapes, gonna make a few assumptions such as that the 4cm length on the bottom square and 4cm length above it share a length of 2cm, sorry if i'm wrong here.
Right triangle area: 2.87..cm^2
root3.5^2 - 2^2 = 2.87...
(2.87..x 2)/2 = 2.87228...cm^2
Left triangle area:
root3.5^2 - 3^2 = 1.802..
(1.802..x3)/2 = 2.704...
Afterwards, add up all the area together.
8 + 6 + 2.87.. + 2.704... = 19.576... approx
Luis made an error when he used the distributive property to solve the problem shown. Which sentence describes the error? https://content.thinkthroughmath.com/uploads/media_library/item/31517/L59
Answers
Answer:
in step 2, 60 should be multiplied by the quantity 8-15, not by 8
Step-by-step explanation:
i looked at the image they provided and figured this out, and solved it on my own account but the image wont load
Indicated angles :
6. Find the measures of the indicated angles. Give reasons for your answers
Answers
Answer:
k\
Step-by-step explanation:
j
What is the intercept of this line? y−6=4(x+5)
Answers
Answer:
[tex]y-intercept=(0,26)[/tex]
[tex]x-intercept=(-13/2,0)[/tex]
Step-by-step explanation:
Given
[tex]y-6=4(x+5)[/tex]
→ [tex]y=4(x+5)+6[/tex]
→ [tex]y=4x+20+6[/tex]
→ [tex]y=4x+26[/tex]
To find the y-intercept we will plug in x=0
y=4(0)+26=26Now to find the x-intercept we will plug in y=0
[tex]0=4x+26\\[/tex]
→ [tex]4x=-26[/tex] → [tex]x=\frac{-26}{4}[/tex]
x= -13/2[tex]-------------[/tex]
hope it helps...
have a great day!!!
area de un triangulo rectangulo si saben digame por favorrrrr
Answers
Area de rectangulo: A= Width * Length
When 32 is subtracted from the square of a number, the result is 4 times the number. Find the positive solution
Answers
Step-by-step explanation:
x² - 32 = 4x
x² - 4x - 32 = 0
with a little bit experience we see immediately that this is
(x - 8)(x + 4) = 0
the positive x for this to be true is x = 8.
formally, the solution to a quadratic equation
ax² + bx + c = 0
is
x = (-b ± sqrt(b² - 4ac))/(2a)
in our case
x = (4 ± sqrt((-4)² - 4×1×-32))/(2×1) =
= (4 ± sqrt(16 + 128))/2 = (4 ± sqrt(144))/2 =
= (4 ± 12)/2 = 2 ± 6
x1 = 2 + 6 = 8
x2 = 2 - 6 = -4
we were right at the beginning.
the positive solution is x = 8.
please help with math!!
Answers
Answer:
Trinomial
Step-by-step explanation:
If there is 1 term, monomial
2 term - binomial
3 term- trinomial
What's the value of the following game: You roll a 100 sided die with sides 1-100. You can either take this number of dollars, or pay $1 to roll again. You can keep on paying $1 to roll for as long as you like.
Answers
You roll a 100 sided die with sides 1-100. The optimal strategy is to stop and cash out only if the dice shows 87 or higher , else keep spending $1 to roll again n again, leading to expected winning of $87.35.
Can a die have 100 sides?The 100-sided die Lou Zocchi created is known by the trademark "Zocchihedron," and it made its debut in 1985. It assumes the appearance of a ball with 100 flattened planes, unlike other polyhedran dice. It is also known as "Zocchi's Golfball."
optimal strategy is to stop and take dollar if roll > x, and to pay $1 and continue when roll <= x (as applicable to all/any turn/roll). We need to find x in order to maximize E.
Assuming optimal expected value to be E, once you cast the first roll, there are two possible scenario:
1) we get roll value > x with probability (100-x)/100, and decide to take that amount, expected winning = (x+1+100)/2 (that amount varies uniformly from x+1 to 100 in this case, take the average)
2) we get roll value <= x with probability x/100 and decide to continue, with future expected winning again = E and 1$ loss in fee. Total expected winning in this scenario = E-1
[math]E=\frac{(100-x)}{100}\times\frac{ (x+1+100)}{2}[/math][math] + \frac{x}{100}\times(E-1)[/math]
[math]E = \frac{(100-x)(101+x) - 2x}{200 - 2x}[/math]
maximizing E w.r.t. x,
dE/dx = 0
2x^2 - 400x + 19600 = 0
x = ( 400+/- sqrt(160000-4*2*19600) ) / 4
Since, 1<= x <= 100, therefore x = ( 400+ sqrt(160000-4*2*19600) ) / 4
x = 85.85786
We just have to calculate E(x=85) and E(x=86) and compare.
E((x=86) = 87.35 and E(x=85) = 87.33
so optimal strategy is to stop and cash out only if the dice shows 87 or higher , else keep spending $1 to roll again n again, leading to expected winning of $87.35.
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what can you say about the series ∑an in each of the following cases
a) lim |(an+1)/(an)∑|=1
n→[infinity] b) lim nth root(|(an)|=2/3
n→[infinity]
c) lim |(an+1)/(an)|=0.8
n→[infinity]
d) lim |(an+1)/(an)|=3/2
n→[infinity]
e) lim |(an+1)/(an)|=3
n→[infinity]
f) lim nth root(|(an)|=1/2
n→[infinity]
Answers
In each of the cases, the series ∑an is convergent. This means that the limit of the sequence of partial sums of the series is finite.
In case a, since the limit of the ratio of consecutive terms is 1, the series is convergent and its sum is equal to the limit of the sequence of partial sums of the series.In case b, since the limit of the nth root of the absolute value of the terms is 2/3, the series is convergent and its sum is equal to the limit of the sequence of partial sums.In case c, since the limit of the ratio of consecutive terms is 0.8, the series is convergent and its sum is equal to the limit of the sequence of partial sums.In case d, since the limit of the ratio of consecutive terms is 3/2, the series is convergent and its sum is equal to the limit of the sequence of partial sums.In case e, since the limit of the ratio of consecutive terms is 3, the series is convergent and its sum is equal to the limit of the sequence of partial sums.In case f, since the limit of the nth root of the absolute value of consecutive terms is 3/2, the series is convergent and its sum is equal to the limit.Learn more about Convergent here:
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please help, I really need to pass this class!
Answers
Answer:
y=1.5x+2
Step-by-step explanation:
Mark me brainliest pls
2 is the y intercept so a+ 2 is already part of the equation
slope = y2-y1/x2-x1
6-4.5/2-1 = 1.5
y=1.5x + 2
Which situation results in a final value of zero?
Answers
Answer:
The total profit made when a person buys an item for $2.25 and then sells the item for $2.25.
Step-by-step explanation:
The item is bought for $2.25 and sold for the same rate. There is no profit.
Final value is 0.
In the diagram below of parallelogram ABCD with diagonals AC and BD, m∠1=45° and m∠DCB=120°.Whatisthemeasureof∠2?
Answers
Answer:
15degrees
Step-by-step explanation:
From the given diagram
<1+<2 + <DCB = 180
<1+<2+120 = 180
<1+<2 = 180 - 120
<1+<2 = 60
<2 = 60 - <1
<2 = 60 - 45
<2 = 15degrees
Hence the measure <2 is 15degree
please give the correct answer and no links!
Answers
Answer:
KL ≈ 16.6 ft
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos25° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{MK}{KL}[/tex] = [tex]\frac{15}{KL}[/tex] ( multiply both sides by KL )
KL × cos25° = 15 ( divide both sides by cos25° )
KL = [tex]\frac{15}{cos25}[/tex] ≈ 16.6 ft ( to the nearest tenth )
What kind of line is y 2x 3?
Answers
Answer: It is a straight line
Step-by-step explanation:
Need answers pls answers
Answers
Answer:
Thjs is hard mat
Step-by-step explanation:
I just need points mateeeee
These two figures are similar. Find the length of side x
Answers
Answer:
probably 21
Step-by-step explanation:
which rule can be used to find the output numbers in this table
Answers
how do I find the slope of these points
(8,-4) and (2,-4)
Answers
[tex](\stackrel{x_1}{8}~,~\stackrel{y_1}{-4})\qquad (\stackrel{x_2}{2}~,~\stackrel{y_2}{-4}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{-4}-\stackrel{y1}{(-4)}}}{\underset{\textit{\large run}} {\underset{x_2}{2}-\underset{x_1}{8}}} \implies \cfrac{-4 +4}{-6} \implies \cfrac{ 0 }{ -6 } \implies \text{\LARGE 0}[/tex]
What is the mean absolute deviation and population standard deviation of this data set? 1, 4, 6, 7, 9, 9
Answers
Answer:
a)2.33
b) 2.83
Step-by-step explanation:
What is the mean absolute deviation and population standard deviation of this data set? 1, 4, 6, 7, 9, 9
Step 1
Find the Mean
n = 6
Mean = Sum of values/Number of value
= 1 +4 + 6 +7 + 9+ 9/6
= 36/6
= 6
a) Mean Absolute Deviation
Formula
= |x - Mean|/n
= | (1 - 6)+(4 - 6) + (6 - 6)+(7 - 6)+ (9 - 6) + (9 - 6)|/6
= 5 + 2 + 0 + 1 + 3 + 3/6
= 14/6
= 2.3333333333333
Approximately = 2.33
b) Population Standard deviation
Formula
=√(x - Mean)²/n
= √ (1 - 6)²+(4 - 6)² + (6 - 6)² +(7 - 6)² + (9 - 6)² + (9 - 6)²/6
= √25+ 4+0+ 1+ 9+9/6
= √48/6
= √8
= 2.828427125
Approximately = 2.83
The reasons as well as the answer
Answers
Answer:
x = 46, y = 67
Step-by-step explanation:
x = ∠ AEC = 46 ( alternate angles )
Since Δ ACE is isosceles then the base angles are congruent, then
y = [tex]\frac{180-46}{2}[/tex] = [tex]\frac{134}{2}[/tex] = 67
Answer:
x=46° and y=67°
Step-by-step explanation:
triangle ACE is isosceles, meaning <A=<B=y
any triangle is add up to 180. <A+<B+<C=180
y+y+46=180
2y=180-46
2y=134
divide both sides by 2
y=134/2
y=67°
for angle x°
since AB is parallel to CD,hence
<AEC=<ECD
x=46°
Determine if the triangles can be proved congruent by SSS, SAS, ASA, AAS, or HL.
Answers
The triangles can be proved congruent by SAS theorem.
Properties of congruent triangles.Two or more triangles are said to be congruent if their corresponding length of sides and measure of internal angles are equal. Therefore, congruency is a property of equality of the triangles.
To prove that two or more triangles are congruent, then their corresponding sides are compared if they are equal. Also the measure of their corresponding internal angles are considered if they are equal.
Therefore in the given question, to determine if the triangles can be proved congruent by the appropriate theorem;
Opposite sides of a parallelogram are equal in length. Thus, it can be seen that the two sides of the triangles are equal. Also the measure of their included angles are equal. Therefore, the triangles can be proved to be congruent by SAS.
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Which table shows a proportional relationship between x and y?
Answers
Answer:
C
Step-by-step explanation:
Put in the form y/x and you should have equivalent fraction
12/4 = 3
15/5 = 3
18/6 = 3
When the fractions are simplified, they all equal 3.
5. A history lecture hall class has 15 students. There is a 15% absentee rate per class meeting.
a.) Find the probability that exactly one student will be absent from class. (5 points) b.) Find the probability that at least 2 students will be absent from class. (10 points)
Answers
Answer:
I think the answer is A
Sorry if i am wrong
Step-by-step explanation:
Find the 19th term of the sequence 5, 8, 11, 14, 17...
59
51
53
56
Answers
Answer:
59
Step-by-step explanation:
So, lets look at our numbers in the sequence. So it goes 5 to 8, 8 to 11, 11 to 14, and 14 to 17. This seems like a change in three. So the every 1 term changes the orginal 5 value by 3.
So wouldnt this mean we can multiply the change in terms by the amount of terms? Which is 19*3? Well, sort of. This is the right way of doig this, but we must remember that we already know the first term, 5. So this means we will be doing 18*3.
This gets you 54. Now just add the amount of the 18 terms onto the first term:
54+5
=
59
So your answer is 59.
Hope this helps!
help me with this plz
Answers
Answer:
https://dlsfile.com/dd/MTQ1ODE5dnJpZ3doanhobV8zNDEzMjU
Step-by-step explanation:
I would help you.. but after what u did I'd rather do my work instead then helping you.. and see how it feels
GGFCTVBHBGVGBHTVfhjdcnjddjhfbvncdfbvf
DFGTBHGVFGHNHYJ dhnchvfdhngvjgf
(15,17,21,6,3) order each set of integers from least to greatest
Answers
Answer: 3, 6, 15, 17, 21
Step-by-step explanation:
Find the measures of the angles
Answers
Answer:
（1）：
angle1/2/3/4=90
angle6=51
angle7=40
angle8=89
angle9=51
angle10=40
angle12=50
angle13=130
angle14=50
Step-by-step explanation:
Q1：
angle1 2 3 4 divided 360 into four equal parts
so 360/4=90
angle11=110degree
so angle12 is 180-130=50 degree
because angle 12 3 10 are in triangle
their sum is 180
so angle 10=180-90（angle3）-50（angle12）=40
because angle 10 5 6 sum is 180
so angle 6 is=180-89（angle5）-40（angle10）=51
because angle 5 6 7 sum is 180
angle7=180-51（angle6）-89（angle5）=40
angle8=angle5=89
angle9=angle6=51
angle12 &13sum is 180
so angle13=180-50=130
angle14=angle12=50
Refer to the equation a-6 equals b if a equals 45 what is the value of b?
Answers
Answer:
Step-by-step explanation: a=4, b=2.
Answer:
b = 39
Step-by-step explanation:
[tex]a-6=b[/tex]
if a = 45:
[tex]45-6=b\\39=b[/tex]
Hope this helps
Help please with this maths
Answers
The radius of the sphere is 9 cm.
What is a sphere?It is a three-dimensional figure where the volume is given as:
The volume of a sphere is 4/3πr³.
We have,
The surface area of a sphere = 324π cm²
4πr² = 324π
r² = 324/4
r² = 81
r = √81
r = ±9
r = -9 cm (rejected)
r = 9 cm
Thus,
The radius is 9 cm.
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